source: src/examples/strings/src/vector.c @ 41ec71c

string
Last change on this file since 41ec71c was a772d8ab, checked in by Thierry Delisle <tdelisle@…>, 8 years ago

basic commit + some work on assertion to make them match normal assertions

  • Property mode set to 100644
File size: 1.7 KB
Line 
1#include "vector.h"
2
3#include <stdlib>
4
5//------------------------------------------------------------------------------
6//Initialization
7forall(otype T, otype allocator_t | allocator_c(T, allocator_t))
8void ctor(vector(T, allocator_t) *const this)
9{
10        ctor(&this->storage);
11        this->size = 0;
12}
13
14forall(otype T, otype allocator_t | allocator_c(T, allocator_t))
15void dtor(vector(T, allocator_t) *const this)
16{
17        clear(this);
18        dtor(&this->storage);
19}
20
21//------------------------------------------------------------------------------
22//Modifiers
23forall(otype T, otype allocator_t | allocator_c(T, allocator_t))
24void push_back(vector(T, allocator_t) *const this, T value)
25{
26        realloc(&this->storage, this->size+1);
27        data(&this->storage)[this->size] = value;
28        this->size++;
29}
30
31forall(otype T, otype allocator_t | allocator_c(T, allocator_t))
32void pop_back(vector(T, allocator_t) *const this)
33{
34        this->size--;
35        DESTROY(data(&this->storage)[this->size]);
36}
37
38forall(otype T, otype allocator_t | allocator_c(T, allocator_t))
39void clear(vector(T, allocator_t) *const this)
40{
41        for(size_t i = 0; i < this->size; i++)
42        {
43                DESTROY(data(&this->storage)[this->size]);
44        }
45        this->size = 0;
46}
47
48//------------------------------------------------------------------------------
49//Allocator
50forall(otype T)
51void ctor(heap_allocator(T) *const this)
52{
53        this->storage = 0;
54        this->capacity = 0;
55}
56
57forall(otype T)
58void dtor(heap_allocator(T) *const this)
59{
60        free(this->storage);
61}
62
63forall(otype T)
64inline void realloc(heap_allocator(T) *const this, size_t size)
65{
66        static const size_t GROWTH_RATE = 2;
67        if(size > this->capacity)
68        {
69                this->capacity = GROWTH_RATE * size;
70                this->storage = (T*)realloc((void*)this->storage, this->capacity * sizeof(T));
71        }
72}
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